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DYNNasdaq

Dyne Therapeutics, Inc.

Alert me on DYN
5
Insider buys, 6 months
0
Congress trades, 6 months
0
Signals, 6 months

Six months

DYN stock chart by TradingView

After each filing

49
Oct 7 Buy Posner Brian S Insider
1 week
−5.8%S&P −1.0%
1 month
Result in9 trading days
3 months
Result in51 trading days
6 months
Result in114 trading days
Sep 9 Sale Friedl-Naderer Johanna Insider
1 week
−9.8%S&P −1.1%
1 month
−14.7%S&P +1.8%
3 months
Result in31 trading days
6 months
Result in94 trading days
Sep 9 Sale Cox John Insider
1 week
−9.8%S&P −1.1%
1 month
−14.7%S&P +1.8%
3 months
Result in31 trading days
6 months
Result in94 trading days
Sep 9 Sale Kerr Douglas Insider
1 week
−9.8%S&P −1.1%
1 month
−14.7%S&P +1.8%
3 months
Result in31 trading days
6 months
Result in94 trading days
Aug 18 Sale Kerr Douglas Insider
1 week
+1.3%S&P −0.2%
1 month
−30.5%S&P −0.6%
3 months
Result in16 trading days
6 months
Result in79 trading days
Show all 49
Aug 18 Sale Lucera Erick Insider
1 week
+1.3%S&P −0.2%
1 month
−30.5%S&P −0.6%
3 months
Result in16 trading days
6 months
Result in79 trading days
Aug 18 Sale Rhodes Jason P Insider
1 week
+1.3%S&P −0.2%
1 month
−30.5%S&P −0.6%
3 months
Result in16 trading days
6 months
Result in79 trading days
Aug 18 Sale Friedl-Naderer Johanna Insider
1 week
+1.3%S&P −0.2%
1 month
−30.5%S&P −0.6%
3 months
Result in16 trading days
6 months
Result in79 trading days
Aug 18 Sale Cox John Insider
1 week
+1.3%S&P −0.2%
1 month
−30.5%S&P −0.6%
3 months
Result in16 trading days
6 months
Result in79 trading days
Jul 30 Sale Kersten Dirk Insider
1 week
+0.6%S&P +3.6%
1 month
−2.6%S&P +3.7%
3 months
Result in3 trading days
6 months
Result in66 trading days
Jul 9 Sale Rhodes Jason P Insider
1 week
−6.4%S&P −0.1%
1 month
+8.2%S&P +2.9%
3 months
−34.2%S&P +3.6%
6 months
Result in51 trading days
Jul 1 Sale Rhodes Jason P Insider
1 week
+11.4%S&P +0.8%
1 month
+15.6%S&P +0.2%
3 months
−26.1%S&P +2.5%
6 months
Result in46 trading days
Jun 27 Sale Lucera Erick Insider
1 week
+12.1%S&P +0.9%
1 month
+18.1%S&P −1.6%
3 months
−23.1%S&P +3.6%
6 months
Result in44 trading days
Jun 26 Sale Rhodes Jason P Insider
1 week
+9.1%S&P +3.1%
1 month
+23.7%S&P +1.6%
3 months
−23.4%S&P +6.1%
6 months
Result in43 trading days
Jun 25 Sale Kersten Dirk Insider
1 week
+11.9%S&P +1.4%
1 month
+24.4%S&P +0.7%
3 months
−19.9%S&P +4.7%
6 months
Result in42 trading days
Jun 23 Sale Kersten Dirk Insider
1 week
+9.6%S&P +1.8%
1 month
+17.9%S&P +0.6%
3 months
−15.4%S&P +5.7%
6 months
Result in40 trading days
Jun 18 Sale Cox John Insider
1 week
+5.8%S&P −2.4%
1 month
+20.4%S&P +0.2%
3 months
−13.6%S&P +2.3%
6 months
Result in38 trading days
Jun 18 Sale Friedl-Naderer Johanna Insider
1 week
+5.8%S&P −2.4%
1 month
+20.4%S&P +0.2%
3 months
−13.6%S&P +2.3%
6 months
Result in38 trading days
Jun 18 Sale Kerr Douglas Insider
1 week
+5.8%S&P −2.4%
1 month
+20.4%S&P +0.2%
3 months
−13.6%S&P +2.3%
6 months
Result in38 trading days
Jun 10 Buy Posner Brian S Insider
1 week
+8.7%S&P +2.1%
1 month
+33.8%S&P +3.5%
3 months
+4.2%S&P +4.7%
6 months
Result in32 trading days
Jun 6 Buy Posner Brian S Insider
1 week
+11.4%S&P +2.1%
1 month
+44.4%S&P +1.9%
3 months
+20.8%S&P +3.9%
6 months
Result in30 trading days
May 29 Buy Posner Brian S Insider
1 week
−11.8%S&P −2.5%
1 month
+14.9%S&P −1.0%
3 months
+29.7%S&P +2.0%
6 months
Result in24 trading days
May 23 Buy Posner Brian S Insider
1 week
−5.0%S&P +1.2%
1 month
+13.6%S&P −1.9%
3 months
+45.1%S&P +2.3%
6 months
Result in21 trading days
May 15 Sale Lucera Erick Insider
1 week
+0.5%S&P +0.9%
1 month
+4.5%S&P +1.5%
3 months
+51.2%S&P +4.8%
6 months
Result in15 trading days
May 15 Sale Cox John Insider
1 week
+0.5%S&P +0.9%
1 month
+4.5%S&P +1.5%
3 months
+51.2%S&P +4.8%
6 months
Result in15 trading days
May 15 Sale Friedl-Naderer Johanna Insider
1 week
+0.5%S&P +0.9%
1 month
+4.5%S&P +1.5%
3 months
+51.2%S&P +4.8%
6 months
Result in15 trading days
May 15 Sale Kerr Douglas Insider
1 week
+0.5%S&P +0.9%
1 month
+4.5%S&P +1.5%
3 months
+51.2%S&P +4.8%
6 months
Result in15 trading days
May 7 Sale Rhodes Jason P Insider
1 week
+4.2%S&P +2.3%
1 month
−4.2%S&P +1.0%
3 months
+49.7%S&P +6.0%
6 months
Result in9 trading days
May 1 Sale Rhodes Jason P Insider
1 week
+1.3%S&P +2.4%
1 month
−0.9%S&P +5.4%
3 months
+45.1%S&P +5.4%
6 months
Result in5 trading days
Apr 28 Sale Rhodes Jason P Insider
1 week
−3.8%S&P +1.7%
1 month
+2.2%S&P +6.0%
3 months
+38.2%S&P +2.8%
6 months
Result in2 trading days
Apr 24 Sale Kersten Dirk Insider
1 week
−4.8%S&P +0.9%
1 month
−0.6%S&P +5.1%
3 months
+40.4%S&P +3.8%
6 months
−14.5%S&P +7.0%
Apr 23 Sale Rhodes Jason P Insider
1 week
−7.1%S&P +1.4%
1 month
−8.1%S&P +5.2%
3 months
+29.3%S&P +4.6%
6 months
−16.6%S&P +8.4%
Apr 22 Sale Kersten Dirk Insider
1 week
−11.5%S&P +0.1%
1 month
−11.7%S&P +4.4%
3 months
+21.5%S&P +4.1%
6 months
−18.3%S&P +9.2%
Apr 18 Sale Kersten Dirk Insider
1 week
−9.9%S&P +0.9%
1 month
−20.5%S&P +3.5%
3 months
+19.0%S&P +5.9%
6 months
−23.9%S&P +8.7%
Apr 4 Sale Lucera Erick Insider
1 week
+3.5%S&P +4.1%
1 month
−4.8%S&P +9.8%
3 months
+29.9%S&P +13.8%
6 months
−15.9%S&P +18.2%
Apr 2 Buy Posner Brian S Insider
1 week
−0.8%S&P +3.6%
1 month
−6.0%S&P +9.5%
3 months
+21.2%S&P +14.8%
6 months
−19.3%S&P +17.9%
Mar 14 Buy Posner Brian S Insider
1 week
−1.4%S&P −1.8%
1 month
+10.2%S&P +4.9%
3 months
+3.3%S&P +13.1%
6 months
−1.3%S&P +13.8%
Mar 14 Sale Kersten Dirk Insider
1 week
−1.4%S&P −1.8%
1 month
+10.2%S&P +4.9%
3 months
+3.3%S&P +13.1%
6 months
−1.3%S&P +13.8%
Mar 12 Sale Kersten Dirk Insider
1 week
−1.4%S&P −0.9%
1 month
+5.2%S&P +3.3%
3 months
−0.6%S&P +11.1%
6 months
+0.8%S&P +15.4%
Mar 11 Buy Posner Brian S Insider
1 week
−8.5%S&P −2.2%
1 month
−6.6%S&P +0.7%
3 months
−11.6%S&P +7.6%
6 months
−7.9%S&P +12.6%
Mar 7 Sale Cox John Insider
1 week
+2.5%S&P −1.4%
1 month
+3.9%S&P −0.1%
3 months
−5.0%S&P +9.3%
6 months
+14.8%S&P +13.5%
Mar 7 Sale Kerr Douglas Insider
1 week
+2.5%S&P −1.4%
1 month
+3.9%S&P −0.1%
3 months
−5.0%S&P +9.3%
6 months
+14.8%S&P +13.5%
Mar 7 Sale Friedl-Naderer Johanna Insider
1 week
+2.5%S&P −1.4%
1 month
+3.9%S&P −0.1%
3 months
−5.0%S&P +9.3%
6 months
+14.8%S&P +13.5%
Dec 6, 2025 Sale Friedl-Naderer Johanna Insider
1 week
−11.8%S&P −0.4%
1 month
−17.7%S&P +1.2%
3 months
−10.0%S&P −0.8%
6 months
−20.4%S&P +6.7%
Dec 6, 2025 Sale Cox John Insider
1 week
−11.8%S&P −0.4%
1 month
−17.7%S&P +1.2%
3 months
−10.0%S&P −0.8%
6 months
−20.4%S&P +6.7%
Dec 6, 2025 Sale Kerr Douglas Insider
1 week
−11.8%S&P −0.4%
1 month
−17.7%S&P +1.2%
3 months
−10.0%S&P −0.8%
6 months
−20.4%S&P +6.7%
Sep 10, 2025 Sale Cox John Insider
1 week
−1.0%S&P +1.1%
1 month
+10.5%S&P +3.2%
3 months
+38.9%S&P +5.0%
6 months
+36.0%S&P +2.7%
Sep 9, 2025 Sale Friedl-Naderer Johanna Insider
1 week
−2.0%S&P +1.5%
1 month
+9.9%S&P +3.8%
3 months
+67.5%S&P +5.4%
6 months
+50.9%S&P +4.6%
Sep 9, 2025 Sale Kerr Douglas Insider
1 week
−2.0%S&P +1.5%
1 month
+9.9%S&P +3.8%
3 months
+67.5%S&P +5.4%
6 months
+50.9%S&P +4.6%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for DYN

164 held · newest 5164 held · newest 2
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See all 164 filings for DYN

Aeon news and offers by email

New sources, new features and offers like our founding price. A few times a month at most. Stop any time.

Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal
No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters
NoneQ4 2025
NoneQ1 2026
$40KQ2 2026
$40KQ3 2026
Unchanged from Q2 2026. Reported to the Senate each quarter by the firms it hires.Original report ↗

Read from LDA.gov between Sep 23, 2026 and Oct 20, 2026. Senate Office of Public Records cannot vouch for the data or analyses derived from these data after the data have been retrieved from LDA.gov.